sacopenium
From LSJ
săcŏpēnĭum: ii, n., = σαγάπηνον,>
I the gum-like juice of an umbelliferous plant, Plin. 19, 8, 52, § 167; 20, 18, 75, § 197; called also, from the Greek, sagapenon, id. 12, 25, 56, § 126; 19, 3, 15, § 40 (Jahn, sacopenium in both passages).